roadworthy: meaning, definition, pronunciation and examples
C1Formal, Technical, Legal
Quick answer
What does “roadworthy” mean?
In a condition that is safe and legal to be driven on public roads.
Audio
Pronunciation
Definition
Meaning and Definition
In a condition that is safe and legal to be driven on public roads.
Meeting the minimum legal standards for vehicle safety and environmental compliance required for road use; by extension, sometimes used metaphorically to describe something as being in a fit state for its intended purpose.
Dialectal Variation
British vs American Usage
Differences
The term is used in both varieties, but the specific regulations and testing procedures (e.g., UK MOT test vs. US state inspections) differ. 'Roadworthy' is the standard term in the UK; in the US, 'street-legal' is a more common informal synonym.
Connotations
In the UK, it carries strong legal/regulatory connotations tied to the MOT certificate. In the US, it may sound slightly more formal or technical compared to 'street-legal'.
Frequency
More frequent in UK English due to the prominence of the annual MOT test. Common in US English in formal/legal contexts (e.g., vehicle codes, dealership paperwork).
Grammar
How to Use “roadworthy” in a Sentence
be + roadworthydeclare/make/keep + object + roadworthyroadworthy + noun (e.g., roadworthy certificate)Vocabulary
Collocations
Examples
Examples of “roadworthy” in a Sentence
verb
British English
- The garage will roadworthy the classic car before the rally.
- (Note: 'roadworthy' as a verb is very rare and non-standard)
American English
- (Not used as a verb in standard American English.)
adverb
British English
- (Not used as an adverb.)
American English
- (Not used as an adverb.)
adjective
British English
- You cannot tax your car without a valid roadworthy certificate.
- After failing its MOT, the car is no longer roadworthy.
American English
- The vehicle was deemed roadworthy by the state inspector.
- To be registered, the imported car must be made roadworthy to US standards.
Usage
Meaning in Context
Business
Used in vehicle sales, leasing, and fleet management contexts (e.g., 'All fleet vehicles must be maintained in a roadworthy condition.').
Academic
Rare; might appear in papers on transport policy, safety regulations, or engineering.
Everyday
Common when discussing car checks, buying/selling used cars, or after vehicle repairs (e.g., 'Is your car roadworthy for the long trip?').
Technical
Core term in automotive engineering, law enforcement, and regulatory documentation defining vehicle fitness standards.
Vocabulary
Synonyms of “roadworthy”
Strong
Neutral
Weak
Vocabulary
Antonyms of “roadworthy”
Watch out
Common Mistakes When Using “roadworthy”
- Using it to describe a road ('a roadworthy road' is incorrect). Confusing it with 'roadside'. Using it as a noun ('He has a roadworthy').
FAQ
Frequently Asked Questions
In the UK, they are closely related but not identical. An 'MOT' is the specific annual test a vehicle undergoes. 'Roadworthy' is the adjective describing the condition of passing that test. A car with a valid MOT certificate is considered roadworthy.
Yes, theoretically. If a new car has a critical manufacturing defect or is missing legally required equipment (like lights), it could be declared unroadworthy until repaired, even if it has never been driven.
'Drivable' is a broader, more informal term meaning the vehicle can move under its own power. 'Roadworthy' is a legal term meaning it meets all specific safety and environmental standards required by law to be on public roads. A car might be drivable but unroadworthy (e.g., with a broken headlight).
No, it is not standard usage. The term is almost exclusively for motor vehicles (cars, trucks, motorcycles). Bicycles and animals are not subject to the same formal mechanical certification, though one might informally say a bike is 'road-ready'.
In a condition that is safe and legal to be driven on public roads.
Roadworthy is usually formal, technical, legal in register.
Roadworthy: in British English it is pronounced /ˈrəʊdˌwɜː.ði/, and in American English it is pronounced /ˈroʊdˌwɝː.ði/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[Metaphorical] 'His argument wasn't roadworthy' (i.e., not fit for purpose/scrutiny).”
Learning
Memory Aids
Mnemonic
Think of a WORTHY vehicle that is allowed on the ROAD. If it's road-worthy, it has proven its worth for the road.
Conceptual Metaphor
VEHICLE FITNESS IS LEGAL WORTHINESS. The vehicle is personified as being 'worthy' or deserving of the legal right to use public roads.
Practice
Quiz
In which context is the word 'roadworthy' LEAST likely to be used correctly?